Wireless
Home Phone
and Internet
User Guide
AT&T Home Base
™
Welcome to AT&T
Thank you for purchasing the AT&T Home Base. To get the most
from your new device, check out our videos and interactive tutorials
at att.com/homebasesupport.
Welcome i
ii
Contents
Getting Started ............................................................................................................ 1
In the Box .................................................................................................................... 1
Getting to Know Your Device ........................................................................... 2
How It Works ........................................................................................................... 4
Device Installation ............................................................................................... 4
Voicemail ................................................................................................................. 11
Setup .................................................................................................................. 11
Message Waiting ............................................................................................ 11
Retrieving Messages ....................................................................................11
Remote Retrieval ........................................................................................... 11
Transferring a Phone Number ......................................................................12
AT&T Home Base Manager ............................................................................ 12
Using Your Device .................................................................................................... 14
Calling ........................................................................................................................14
Making Calls .....................................................................................................14
Three-Way Calling ........................................................................................ 14
Call Waiting ...................................................................................................... 14
Call Forwarding .............................................................................................. 15
Call Log .............................................................................................................. 15
Internet Access .................................................................................................... 16
Connect Other Devices ............................................................................ 16
Changing Wi-Fi Network Name and Password .............................. 17
Important Messages ................................................................................... 17
Managing Connected Devices ............................................................... 17
Checking Your Voice and Data Usage ....................................................... 17
Contents iii
Helpful Tips ............................................................................................................ 18
Home Answering Machines .................................................................... 18
Adjusting Volume ......................................................................................... 19
Powering On/Off ........................................................................................... 19
TTY Support ................................................................................................... 19
Important Information ........................................................................................ 20
E911 Service ........................................................................................................... 20
Power Outages .................................................................................................... 20
Device Compatibility ........................................................................................20
In-Home Wiring .....................................................................................................21
Frequently Asked Questions ........................................................................... 22
Troubleshooting ...................................................................................................... 25
General .................................................................................................................... 25
Phone ....................................................................................................................... 26
Internet .................................................................................................................... 29
Device Configuration ............................................................................................32
Wi-Fi Settings ........................................................................................................ 32
Basic .................................................................................................................. 32
Connections .................................................................................................. 33
Security ............................................................................................................ 34
WPS .................................................................................................................... 35
Network .................................................................................................................. 36
Connections ................................................................................................. 36
APN ..................................................................................................................... 37
iv Contents
Firewall .................................................................................................................... 39
Mac/IP/Port Filtering ................................................................................. 39
Port Forwarding ............................................................................................. 41
DMZ .................................................................................................................... 42
Advanced ............................................................................................................... 43
Administrator ................................................................................................ 43
Router .............................................................................................................. 44
Time/Date ....................................................................................................... 45
Device Reset .................................................................................................. 45
Specifications .......................................................................................................... 46
Safety Instructions ................................................................................................ 47
Radio Frequency (RF) Energy ......................................................................... 48
FCC Regulations ..................................................................................................... 49
RF Exposure Information .................................................................................. 50
CTIA ............................................................................................................................... 51
Warranty ...................................................................................................................... 52
How to Get Warranty Service ........................................................................ 53
Other Warranty Programs...............................................................................53
Contents v
vi
Getting Started
In the Box
The package should contain the following items:
The AT&T Home Base
Phone Cable
(Optional)
Back-up
Battery
Power Cord
Also Included
Getting Started 1
Quick Start
User Guide
Getting to Know Your Device
Power
Voicemail
Information
(See “AT&T Home Base
Manager” on page 12)
Wi-Fi
Signal Strength
WPS*
* Allows WPS-enabled devices to be connected via Wi-Fi without typing a
Wi-Fi password. For detailed instructions, please refer to page 16.
Telephone
Ports
Ethernet
Power
Input
On/Off
2 Getting Started
LED Indicators
The table below describes possible states for each of the
LED indicators.
Key Icon Name Indicator
Status
Power
Green steady
On
Green blinking
Battery: More than
50%
Yellow blinking
Battery: 20 – 50%
Red blinking
Battery: Less than
20%
Off
No power
Voicemail
Green blinking
New voicemail
Off
No new voicemail
Information
Green blinking
Check the AT&T
Home Base
Manager – see
messages
Off
No unread
messages
Wi-Fi
Green steady
Wi-Fi on
Green flickering
Data transferring
Off
Wi-Fi off
Signal
Strength
Green steady
Strong signal
Yellow steady
Moderate signal
Red steady
No service
Red blinking
No service or SIM
error
Getting Started 3
How It Works
The AT&T Home Base uses the AT&T cellular network to provide
phone service to your cordless and corded home phone(s) and
Internet access to your computer and Wi-Fi enabled devices. Place
it anywhere in your home where you have a strong wireless signal. It
does not require the use of a home phone wall jack like traditional
home phone service.
The AT&T Home Base provides many calling services, such as
voicemail, Caller Number ID, Call Waiting, Call Forwarding, and 3-way
Calling for your home phone(s). It also includes a back-up battery in
case of a power outage.
Device Installation
Before You Begin
The AT&T Home Base works exclusively with the AT&T
cellular
network and DOES NOT use
your home phone wall jacks.
Your device should be located:
• Where you have a strong
signal from a cell tower,
typically near a window or
outside wall. Signal strength
may vary in different
parts of your home.
• Near an electrical wall outlet.
• In the general area where you’ll be using
your home phone, computer, or Wi-Fi enabled devices.
Select which phone and computer/Wi-Fi
enabled
device you will use
with the AT&T Home Base:
• A cordless phone system with multiple handsets should be used
to place phones throughout your home.
• If using an existing phone, unplug it from the wall jack.
• For Internet access, you may connect up to 10 devices via Wi-Fi
and one via Ethernet simultaneously.
4 Getting Started
STEP 1: Set Up Your Device
Install the Back-up Battery
1. Remove the bottom of the device by pushing the entire
cover in the direction of the arrow.
Ports
2. Insert the back-up battery.
Battery
3. Replace the cover.
NOTES:
• The back-up battery is intended for backup purposes only
and may take approximately eighteen (18) hours to fully
charge.
• Charge time may be impacted by environmental factors
and the back-up battery will stop charging when the
ambient temperature is outside of the temperature range
allowed for charging (32°F - 131°F).
Getting Started 5
A
C
Check the Wireless Signal
Wait a few seconds for the signal strength light to turn on,
while your device connects to the cellular network.
Confirm signal strength light is green for optimal
performance. Yellow indicates a moderate signal and may
be sufficient.
NOTE: If you do not see a green light, you may want to
choose another location in your home, such as near a
window or outside wall.
STEP 1: Set Up Your Device (continued)
B
Turn on Your Device
1. Plug the power cord into an electrical wall outlet.
2. Connect the other end of the power cord into the Power
Input port on the back of your AT&T Home Base.
3. Press and hold down the round On/Off button for 3 full
seconds until the power light stays steady green.
On/Off
Hold 3 seconds
6 Getting Started
STEP 2: Connect Your Phone
Unplug your Phone from the Wall Jack
The AT&T Home Base is not used with your home phone
wall jack.
NOTE: If you have a cordless phone, keep it plugged into a
power outlet.
B
Connect your Phone to the Device
Plug your phone into the “Phone 1” port on the AT&T Home
Base, using your existing phone cable or the included phone
cable.
NOTE: Do not plug the device into your home phone wall
jack.
Getting Started 7
Signal
Strength
A
Use the following information to connect to the Internet:
Network Name: ATT-
HOMEBASE-XXXX
Password:
XXXXXXXX
Wi-Fi Access
Helpful service information:
The light will blink green when you have an important
message from AT&T about your service plan.
On any device connected to the AT&T Home Base, go to:
URL: http://att.homebase
Login: attadmin
STEP 2: Connect Your Phone (continued)
Place a Test Call
Place a test call from your connected home phone.
Make sure to dial the 10-digit phone number, including
area code.
For best results, place the cordless phone base at least
12 inches from the AT&T Home Base.
Important Phone Tips
• Voicemail is included with your service. Dial “1” to set up
and access. If using an answering machine, set it to fewer
than five (5) rings.
• To place phones throughout your home, use a cordless
phone system with multiple handsets. Wall jacks are not
used with the AT&T Home Base.
• The “Phone 2” port can be used to connect an additional
phone or answering machine. It uses the same phone
number as the “Phone 1” port.
• Your AT&T Home Base does not support incoming/
outgoing fax service or home alarm systems.
• Your AT&T Home Base does not support rotary or pulse-
dialing phones.
Details on using voicemail and transferring a landline phone
number can be found on pages 11-12.
8 Getting Started
STEP 3: Connect to the Internet
Select Your Internet Connection
To Connect via Wi-Fi:
1. Open the Wi-Fi network
manager on
your computer or Wi-Fi
enabled device.
2. Find and select the AT&T
Home Base
Wi-Fi network name
(SSID) (e.g., ATT-HOMEBASE-XXXX).
Wi-Fi Networks
ATT-HOMEBASE-XXXX
Other Network
Guest WiFi
Free Public WiFi
To Connect via Ethernet:
Use an Ethernet cable (not included) to connect your
computer or other device to the Ethernet port on the back
of your AT&T Home Base. Go to att.net (or your favorite
website) to confirm your Internet connection. Skip Steps 3B
and 3C.
To connect via WPS, see page 16.
B
Enter Wi-Fi Network Password
When prompted, enter the Wi-Fi password found on the
bottom of the AT&T Home Base.
Getting Started 9
C
A
STEP 3: Connect to the Internet (continued)
C
Confirm Internet Connection
Go to att.net (or your favorite website) to confirm your
Internet connection.
When your device is transmitting to and from the Internet,
the Wi-Fi light will flicker green.
Important Internet Tips
• To check your data usage or manage your account, go to att.
com/myatt.
• To customize your device settings, view important messages
about your AT&T service plan, and check your data usage, use
the AT&T Home Base Manager. On any device connected to the
AT&T Home Base, enter http://att.homebase directly into your
browser address field and use “attadmin” as your login.
• To setup a free AT&T email account, go to att.net/signup and
select Start Now.
10 Getting Started
Voicemail
Your AT&T Home Base comes with standard wireless voicemail.
Follow the steps below to setup and use your voicemail.
Setup
Dial 1 on any home phone connected to the AT&T Home Base and
wait four (4) seconds to connect to your AT&T wireless voicemail.
Simply follow the voice prompts to complete setup.
Message Waiting
There are two indicators for a new message waiting: 1) the voicemail
icon; and
2) an intermittent dial tone.
The voicemail icon on your AT&T Home Base flashes when a
voicemail message is waiting. You will also hear an intermittent dial
tone on any connected phone handset before placing a call.
Retrieving Messages
To retrieve voice messages, dial 1 on any home phone connected to
the AT&T Home Base and wait four (4) seconds to connect to your
AT&T wireless voicemail box. Simply follow the voice prompts to
listen to and manage your messages. (Alternately, you may dial your
10-digit home phone number to access your voicemail box.)
Remote Retrieval
To retrieve voicemail messages from a phone not connected to
the AT&T Home Base, dial
the number associated with your AT&T
Home Base service. When voicemail picks up, press *.
You will then
be prompted to enter your password. Simply follow the prompts to
listen to and manage your voicemail messages.
Getting Started 11
Transferring a Phone Number
Transferring a landline phone number to your AT&T Home Base can
take five (5) days or more. Outgoing calls can be made immediately
using your AT&T Home Base, however incoming calls will continue
through your old service until the transfer is complete. It is
recommended that a phone be kept connected to your wall jack or
prior service to continue to receive incoming calls until the transfer
is complete. To check the status of your transfer, visit att.com/port.
AT&T Home Base Manager
The AT&T Home Base Manager allows you to easily manage your
AT&T Home Base. You can:
• Customize settings
• Change your Wi-Fi network name and password
• Check signal strength, data usage, and important messages
from AT&T
• Get help and information
To access the AT&T Home Base Manager, first connect to your
AT&T Home Base. In your browser address field, enter http://att.
homebase and log in using “attadmin” (Note: You can customize
the login that is used to access the AT&T Home Base Manager by
going to Settings > Advanced > Administrator).
12 Getting Started
The AT&T Home Base Manager includes a navigation panel on the
left side of the screen, which contains the following sections:
• Home – displays general device information and help.
• Connected Devices – view devices currently connected to your
AT&T Home Base and block/unblock devices from connecting.
• Data Used – check your data usage.
• Call Log – view incoming, outgoing, and missed calls placed to
and from your AT&T Home Base.
• Messages – view messages from AT&T (See Important Messages
on page 17).
• Settings – customize your device’s Wi-Fi and security settings
(See Device Configuration on page 34).
• About Your Home Base – get details regarding current device
status and information.
• AT&T Software Update – view software updates that are
delivered automatically over the AT&T cellular network.
Getting Started 13
Using Your Device
Calling
Making Calls
Using a phone connected to your AT&T Home Base, place and
receive calls as you normally would. The AT&T Home Base supports
both cordless and corded phone dialing methods.
Note: Make sure to dial the 10-digit phone number, including area
code.
Three-Way Calling
While on an existing call, press the Flash (or Talk) key on your
phone to put the first party on hold. When you hear a dial tone, dial
the second party’s number (wait up to four [4] seconds). When
the second party answers, press the Flash (or Talk) key again to
complete the three-way connection. If the second party does not
answer, press the Flash (or Talk) key to end the connection and
return to the first party.
Note: If your phone does not have a Flash (or Talk) key, use the off-
hook mechanism supported by your phone instead
.
Call Waiting
You will hear two tones if someone calls while you are already on a
call.
To hold the current call and accept the waiting call, press the Flash
(or Talk) key. You can press the Flash (or Talk) key anytime to switch
back and forth between calls.
To clear the current call and accept the waiting call, enter “1“ and
press the Flash (or Talk) key.
To reject (User Busy) the waiting call, enter “0“ and press the Flash
(or Talk) key.
14 Using Your Device
Notes:
• Your AT&T Home Base comes with standard three-way calling and
call waiting. Operation of these features will vary depending on
your home phone equipment.
• If your phone does not have a Flash (or Talk) key, then use the off-
hook mechanism supported by your phone.
Call Forwarding
To forward all calls, dial:
1. *21*
2. The 10-digit number to which you wish to forward your calls
3. # key
(Example: *21*1234567890# forwards your calls to the phone
number 123-456-7890)
Please wait at least three (3) seconds and you hear a confirmation
tone for the forwarding to complete before hanging up.
To un-forward calls, dial #21#, please wait at least three (3)
seconds and you hear a confirmation tone for the un-forwarding to
complete before hanging up.
Note:
Applicable wireless minute plan rates apply to forwarded calls.
Call Log
You can view incoming and outgoing calls placed to and from your
AT&T Home Base at att.com/myatt, or on the AT&T Home Base
Manager. To view call details on the AT&T Home Base Manager, enter
http://att.homebase directly into your browser address field on
any device that is connected to your AT&T Home Base. Log in using
“attadmin” (or your customized login) and go to Call Log.
Using Your Device 15
Internet Access
Connect Other Devices
You can connect up to 10 Wi-Fi enabled devices simultaneously to
your AT&T Home Base, including smartphones, tablets, laptops, etc.
1. Open the Wi-Fi network manager on your Wi-Fi enabled
device.
2. Find and select the Wi-Fi network name (SSID) ATT-
HOMEBASE-XXXX.
3. When prompted, enter the Wi-Fi password found on the
bottom of the AT&T Home Base.
Connect WPS devices
Wi-Fi Protected Setup (WPS) allows WPS-enabled devices to
be connected to a Wi-Fi network without having to type a Wi-Fi
password.
1. With the AT&T Home Base powered on, press and hold the
WPS button for one (1) second.
2. Within two (2) minutes, press the WPS button on the wireless
device you want to connect.
3. Your AT&T Home Base and the wireless device will
communicate and establish the connection.
Connect via Ethernet
To connect via Ethernet, plug one end of your Ethernet cable into
the Ethernet port on your computer and the other end into the
Ethernet port on the back of
the AT&T Home Base.
16 Using Your Device
Changing Wi-Fi Network Name and Password
You can customize your AT&T Home Base Wi-Fi network name
(SSID) and password using the AT&T Home Base Manager. On any
device that is connected to the AT&T Home Base, enter http://att.
homebase directly into your browser address field and log in using
“attadmin” (or your customized login). Go to Settings > Wi-Fi >
Basic to change your network name and Settings > Wi-Fi > Security
to change your password.
Note:
You will need to reconnect all Wi-Fi devices using the new
information.
Important Messages
Your AT&T Home Base is able to receive important messages from
AT&T regarding new software updates. You are not able to respond
or reply to these messages.
To view your messages, use any device that is connected to the
AT&T Home Base and enter http://att.homebase directly into your
browser address field. Log in using “attadmin” (or your customized
login), and go to Messages.
Managing Connected Devices
You can view devices currently connected to your AT&T Home Base
and block and unblock devices using the AT&T Home Base Manager.
On any device that is connected to the AT&T Home Base, enter
http://att.homebase directly into your browser address field. Log in
using “attadmin” (or your customized login), and go to Connected
Devices.
Checking Your Voice and Data Usage
You can check your voice and data plan usage by either
downloading the free myAT&T™ app to your smartphone or tablet,
or visiting att.com/myatt on your computer.
To download the myAT&T app, visit your device app store or simply
text APP to 8758 to receive a link to download the app. Once
downloaded, you will need to log in to manage your account and
review usage details. Data and messaging rates may apply.
Using Your Device 17
You can also use the AT&T Home Base Manager to check your data
usage. On any device that is connected to your AT&T Home Base,
enter http://att.homebase directly into your browser address field.
Log in using “attadmin” (or your customized login). To check your
data usage, go to Data Used. To view data usage notifications, go
to Messages. The “i” light on your AT&T Home Base will blink green
when you have a new notification.
Note: Actual usage can be higher than the estimated data usage
displayed in the usage meter.
Helpful Tips
Home Answering Machines
If you choose not to use the voicemail provided by your AT&T Home
Base, you can use your home answering machine by plugging it into
the “Phone 2” port on the back of your AT&T Home Base.
Then, set your answering machine to pick up calls in fewer than
five (5) rings. Alternately, you can call AT&T Customer Service at
1.866.975.0050 to turn off the network voicemail feature.
18 Using Your Device
Adjusting Volume
Use your home phone’s volume adjustment if available. Alternately,
the volume of the AT&T Home Base can be adjusted if necessary.
Six volume levels are available (level 1 to level 6) with the default
setting at level 3. While on a call, press ** to decrease volume or
press ## to increase volume. Each time ** or ## is pressed, the
volume level is decreased or increased one volume level.
To exit Volume Setting Mode, press any other key or wait five (5)
seconds.
Powering On/Off
The On/Off button is used to turn your AT&T Home Base on or off.
When powered off, the AT&T Home Base will no longer send or
receive calls, but it will continue to
charge the back-up battery if still
connected to the wall outlet.
To turn on your AT&T Home Base, press and hold the On/Off button
for three (3) seconds until the power light stays steady green, if
connected to a power supply (it will flash green if on back-up battery).
To turn off your AT&T Home Base, press and hold the On/Off button
for three (3) seconds until all the lights turn off.
TTY Support
TTY (Text Telephony) and TDD (Telecommunications Device for
the Deaf) are supported by the AT&T Home Base. In order to use
the TTY network, you must have a TTY-compatible phone and be
in TTY mode. Note that most digital wireless devices are TTY-
compatible.
Dial *983*889*n# to set the TTY mode.
• n = 0: TTY off mode. The standard voice speaking mode and
listening mode.
This is the default setting.
• n = 1: TTY full mode. Transmit and receive the TTY characters.
• n = 2: VCO mode. Receive TTY characters but transmit by
speaking into the speaker.
• n = 3: HCO mode. Transmit TTY characters but receive by
listening to the receiver.
Using Your Device 19
Important Information
In-Home Wiring
Interconnecting to home telephone wiring is not necessary, but
is possible; however, it is not recommended unless you possess
sufficient knowledge of electrical systems. Use with home wiring
requires the physical disconnection from other services, including
the landline coming into your home. Use of a qualified licensed
electrician is highly recommended. Improper installation may result
in phone equipment damage or even a fire.
Important Information 2120
E911 Service
For emergency calls, you may have to provide your location address
to the 911 operator.
Power Outages
The AT&T Home Base has a back-up battery in the event of a
power outage, with talk time of up to 100 minutes depending
on environmental factors. However, a landline phone requiring
separate electric power to operate (e.g., cordless phones)
connected to a Home Base will not place or receive calls (including
911 calls) during a power outage.
The AT&T Home Base will disable Wi-Fi to conserve power while
using the back-up battery when there are no devices connected. To
re-enable Wi-Fi while using the back-up battery, press the On/Off
button for one (1) second. Or, if power is available, plug the AT&T
Home Base into an electrical wall outlet.
If you experience a power outage and your battery is fully depleted,
it will be necessary to restart your device when power is restored by
pressing and holding the On/Off button for three (3) seconds until
the power light stays steady green.
Device Compatibility
The AT&T Home Base is not compatible with wireless messaging
services, home security systems, fax service, medical alert systems,
medical monitoring systems, credit card machines, IP/PBX Phone
systems, or dial-up Internet service. May not be compatible with
your DVR/Satellite systems; please check with your provider. DSL
customers should contact their provider before transferring a
phone number to ensure uninterrupted DSL Internet service.
The AT&T Home Base cannot be used to make 500, 700, 900, 976,
0+ collect, operator-assisted, or dial-around calls (e.g. 1010-XXXX).
Important Information
Frequently Asked Questions
What kind of phone do I need to work with the AT&T Home Base?
Most standard touch-tone phones may be used. Rotary phones
are not supported. Expandable cordless phone systems provide
the most flexibility and allow you to easily place additional handsets
throughout your home. Cordless phone systems still need to be
plugged into a power outlet. A standard corded phone can be used
if you just need one phone in your home.
During a power outage, a standard corded phone which doesn’t
require electrical power is required.
How do I install my AT&T Home Base?
Refer to pages 4-10 of this guide for the most common installation
methods. Other helpful information:
• Installation near a window or outside wall is strongly recommended
to ensure the strongest possible wireless signal in order to
maximize voice/data performance.
• If the AT&T Home Base signal strength indicator does not display
high signal strength (Green) or voice/data performance is
unacceptable, you may need to relocate the device to another
part of the home with a stronger wireless signal.
Will my AT&T Home Base work in areas with no or low wireless
signal strength?
A strong wireless signal (Green) is recommended for optimal
performance. A moderate signal (Yellow) may be sufficient. If
you do not see a green light, you may want to choose an alternate
location.
Does the AT&T Home Base support both voice and data?
Yes, you can use your AT&T Home Base for both voice and data,
as long as you subscribe to an eligible GoPhone Wireless Home
Services plan for the Home Base.
22 Frequently Asked Questions
Why don’t I see the name of the caller on caller ID?
The AT&T Home Base only supports calling number identification.
However, contact
names stored on your home phone may display
for incoming calls.
Can I move my AT&T Home Base and use it in another location?
Yes, your device can be moved to another location; however, your
device should be used in a location where AT&T is authorized to
provide wireless service. If your device is used while on other carrier
networks, AT&T’s off-net usage restrictions may apply.
When I dial a seven-digit number using the AT&T Home Base, I
get a message that the number cannot be completed as dialed.
Does the AT&T Home Base support seven-digit dialing?
The AT&T Home Base requires 10-digit dialing for domestic calls in
most areas.
Can I make international calls with my AT&T Home Base?
Yes. You can add an international long distance package for an
additional charge which includes 1,000 minutes of calling to both
mobile and landline numbers in Mexico, Canada, China, India and
more plus landline calling to over 50 other countries. Or you can
pay standard pay-per-use rates for calls to over 225 countries
worldwide. For more details, go to att.com/gowirelesshome.
Can I use my AT&T Home Base internationally?
No. Use is limited to the United States, Puerto Rico, U.S. Virgin
Islands, Guam, and Northern Mariana Islands.
What is the warranty on the AT&T Home Base?
The AT&T Home Base has a 12-month limited warranty. For details,
see page 54.
I can’t make or receive calls with my AT&T Home Base. What
should I do?
Please follow the troubleshooting steps in this User Guide. If further
assistance is required, call 800.901.9878.
Frequently Asked Questions 23
How many devices can I connect to my AT&T Home Base?
There are two phone ports to connect your phone or answering
machine. For data, you can connect up to 10 devices via Wi-Fi
simultaneously and one device via Ethernet.
How can I check my data speed?
You can check your data speed by visiting att.com/speedtest.
Will connecting additional devices affect my data speed?
Yes, active use of multiple devices will decrease your data speeds.
Can I change my Wi-Fi network name and password?
Yes, you can change your Wi-Fi network name and password using
the AT&T Home Base Manager. From any connected device, enter
http://att.homebase directly into your browser address field and
log in using “attadmin” (or your customized login). Go to Settings >
Wi-Fi > Basic to change your network name and Settings > Wi-Fi >
Security to change your password.
How do I know how much data I’ve used?
To check your data plan usage, go to att.com/myatt. You can also
view your data usage using the AT&T Home Base Manager. From
any connected device, enter http://att.homebase directly into
your browser address field and log in using “attadmin” (or your
customized login), and go to Data Used.
Once I’ve reached the maximum amount of data in my plan, can I
continue to use my AT&T Home Base for data?
Yes, you can purchase a data package for an additional charge at
att.com/myatt.
24 Frequently Asked Questions
Troubleshooting
General
Problem
Possible Solution
None of the LEDs
are illuminated
• Make sure there is AC power to the AT&T
Home Base. Do not connect to an AC
outlet controlled by a wall switch.
• Press and hold the On/Off button on the
back of the AT&T Home Base for three
(3) seconds until the Power light stays
steady green.
Red signal strength
indicator
• Move your device to another area of the
home with a strong wireless signal.
Flashing Red signal
strength indicator
• SIM is missing or not installed properly.
1) Remove the bottom of the device and
back-up battery.
2) Locate the SIM card slot and insert
the SIM card into the slot until secure.
The SIM card will click and lock in place
when properly installed in the correct
orientation.
• SIM card may be invalid or damaged and
need to be replaced.
SIM Card doesn’t
work in my mobile
device
•
The SIM card provided with your AT&T
Home Base is intended for use only in your
specific AT&T Home Base and cannot be
used in a mobile handset.
Troubleshooting 25
Phone
Problem
Possible Solution
No dial tone
• Make sure there is AC power to the AT&T
Home Base. Do not connect to an AC
outlet controlled by a wall switch.
• Make sure your AT&T Home Base is
powered on.
Press and hold the On/Off button on the
back of your device for three (3) seconds
until the Power light stays steady green.
• Make sure your cordless phone has
power and is connected properly to the
AT&T Home Base.
• Move the AT&T Home Base to an area
with sufficient network signal (Green or
Yellow Signal Strength light).
No caller ID name
• Like all wireless services, only the calling
number is displayed with Caller ID.
• Your home phone may support the
display of names stored in its contacts
memory.
My answering
machine won’t
pick up calls
•
Set your answering machine settings to
pick up calls before network voicemail,
which is approximately five
(5) rings.
•
Alternately the network voicemail
setting can be increased; dial 1 to access
the voicemail platform and follow the
prompts to increase the number of rings.
•
To remove network voicemail from your
account, call AT&T Customer Care by
dialing 611 or 800.901.9878.
26 Troubleshooting
Phone
Problem
Possible Solution
Poor voice quality
• Install using the phone cable included
with the AT&T Home Base.
• Make sure all connections are rmly in
place.
• Move your AT&T Home Base to an area
with sufficient network signal (Green or
Yellow Signal Strength light).
• Increase the distance away from other
electronic devices and the AT&T Home
Base (including cordless base stations,
Wi-Fi routers, and cell phones).
• Move the AT&T Home Base near a
window with a clear unobstructed view of
the sky and remove any objects that may
be obstructing the wireless signal.
• Make sure the home phone that is
connected to the AT&T Home Base is of
good quality and in good working order.
• Voice quality may degrade with a low
battery charge when operating with
back-up battery. Connect to an AC
power source to recharge when power is
available.
Message Waiting
indicator on my
home phone
doesn’t light
• The AT&T Home Base does not support
this functionality with your home phone.
• The AT&T Home Base has a dedicated
voicemail light that will flash when you
have a new voice message; you will also
hear an intermittent dial tone when you
pick up your handset.
Troubleshooting 27
Phone
Problem
Possible Solution
I hear an
intermittent
dial tone
• You will hear an intermittent dial tone
when you have a new voicemail message
waiting.
• Dial 1 from your home phone that is
connected to the AT&T Home Base to
listen to your voice messages.
My phone doesn’t
ring when a call
comes in
• If you recently transferred your landline
phone number, you will continue to
receive incoming calls on your previous
service until the transfer is complete. To
check transfer status, visit att.com/port.
• Make sure your AT&T Home Base is NOT
connected to your in-home phone wiring.
• Make sure your home phone is powered
on and connected to the AT&T Home
Base.
• Your AT&T Home Base number may be
set to Call Forward. Dial #21# to un-
forward calls.
I hear a constant
low frequency tone
(not dial tone)
when I try to place
a call
• Hang up your home phone to restore dial
tone.
28 Troubleshooting
Internet
Problem
Possible Solution
Can’t access
the Internet
• Make sure your AT&T Home Base is powered
on. Press and hold the On/Off button on the
back of your device for three (3) seconds until
the Power light stays steady green.
• For Wi-Fi: Make sure your AT&T Home Base
is located in the general area of your Wi-Fi
enabled device(s). Check that your device
is connected to the AT&T Home Base Wi-Fi
network (ATT-HOMEBASE-XXXX) and you are
using the correct Wi-Fi Password. For Ethernet:
Make sure the Ethernet cable is securely
inserted into the Ethernet port on the back of
the AT&T Home Base and your computer (or
other device).
• Move the AT&T Home Base to an area with
sufficient network signal (Green or Yellow Signal
Strength light).
• Make sure the Wi-Fi light is on. If not, restart
your AT&T Home Base. Press and hold the
On/Off button for three (3) seconds until all
lights turn off. Then, press and hold the On/Off
button for three (3) seconds until the power
light stays steady green.
• Check the following on the AT&T Home Base
Manager (http://att.homebase):
• Under Settings > Wi-Fi > Basic: “Wi-Fi
Broadcast” is set to “On”
• Under Settings > Network > APN: Profile
selection is set to “ATT Phone”
• Under Settings > Firewall > Mac/IP/Port
Filtering: Check that the IP and MAC address
of your device are not blocked by the firewall.
Troubleshooting 29
Internet
Problem
Possible Solution
Download or
upload speeds
are slow
• Check your speed at att.com/speedtest.
• Check your signal strength light. If not
green or yellow, choose an alternate
location.
• Other connected devices may be
transferring a large amount of data. To
view and block other connected devices,
go to the AT&T Home Base Manager
(http://att.homebase) under
Connected Devices.
• A phone call in progress may slow down
the data speed.
• Check your wireless network connection
using the AT&T Home Base Manager
(http://att.homebase). 4G LTE offers the
fastest data speeds and if available, the
AT&T Home Base should be located in a
covered area.
The AT&T Home
Base Network
does not appear
in the wireless
network list
• Make sure the AT&T Home Base is
powered on. Power light should be steady
green if connected to a power outlet (or
blinking green if on back-up battery).
• Refresh the network list on the device you
are trying to connect.
• Restart your AT&T Home Base: Press
and hold the On/Off button for three
(3) seconds until all lights turn off. Then,
press and hold the On/Off button for
three (3) seconds until the power light
stays steady green.
30 Troubleshooting
Internet
Problem
Possible Solution
Can’t connect
to my AT&T
Home Base
•
Check that you are connecting to your
AT&T Home Base Wi-Fi network name
(SSID) (e.g. ATT-HOMEBASE-XXXX). If
connected via Ethernet, make sure the
Ethernet cables are firmly attached.
•
Make sure you entered the correct Wi-Fi
password found on the bottom of your
device or your customized password, if
you changed it.
Can’t access the
AT&T Home Base
Manager
• Make sure you are trying to access on
a device that is currently connected to
your AT&T Home Base either via Wi-Fi or
Ethernet connection.
• Make sure you have entered the
correct URL (http://att.homebase or
http://192.168.0.1) directly into your
browser address field on your connected
device.
• Make sure you have entered the
correct login, either “attadmin” or your
customized login. If you changed the login
and forgot it, you will need to restore the
device to the factory default settings.
Remove the bottom cover of your device
and using a ballpoint pen, press and hold
the RESET button for five (5) seconds.
You may then log in using the default login
“attadmin.”
Troubleshooting 31
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